id:A111144 - OEIS Search Results

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n*(n+13)*(n+14)/6.

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0, 35, 80, 136, 204, 285, 380, 490, 616, 759, 920, 1100, 1300, 1521, 1764, 2030, 2320, 2635, 2976, 3344, 3740, 4165, 4620, 5106, 5624, 6175, 6760, 7380, 8036, 8729, 9460, 10230, 11040, 11891, 12784, 13720, 14700, 15725, 16796, 17914, 19080, 20295 (list; graph; listen)

	OFFSET	`0,2`
	COMMENT	`Analogous to A111396 n(n+7)(n+8)/6 and A000292 expressed as n(n+1)(n+2)/6. a(13) = 1521 = 39^2. a(14) = 1764 = 42^2. After a(1) all values have at least three prime factors with multiplicity, for example a(33) = 11891 = 11 * 23 * 47 and a(49) = 31899 = 3 * 7^3 * 31.`
	CROSSREFS	`Cf. A000292, A111396.` `Sequence in context: A039382 A043205 A043985 this_sequence A044173 A044554 A156126` `Adjacent sequences: A111141 A111142 A111143 this_sequence A111145 A111146 A111147`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Nov 12 2005`

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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.

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